package com.kaikeba.filter;

import com.kaikeba.util.UserUtil;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebFilter({"/admin/index.html", "/admin/views/*","/express/*","/courier/*","/user/*"})
public class AccessControlFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest)servletRequest;
        HttpServletResponse resp = (HttpServletResponse)servletResponse;
        String username = UserUtil.getUserName(req.getSession());
        if (username!=null){
            filterChain.doFilter(req,resp);
        }else{
            //resp.sendError(404,"很遗憾，权限不足");
            resp.sendRedirect("/admin/login.html");
        }

    }

    @Override
    public void destroy() {

    }
}
